Prosecution Insights
Last updated: October 27, 2026

Elizabeth Houston, USPTO Patent Examiner

Listed by the USPTO as HOUSTON, ELIZABETH

Tech Center 3700 • Art Units: 3731 3753 3771 3773 3796

This examiner grants 38% of resolved cases

Analysis

Elizabeth Houston serves as an examiner in Art Unit 3731 within Tech Center 3700. The examiner has managed 458 resolved cases, resulting in an allowance rate of 37.6%. The median days to allowance for these cases is 1550, which provides a benchmark for the time required to reach a final disposition. This timeline is a key factor for applicants to consider when managing their patent portfolios and expectations for issuance.

The interview lift for this examiner is 42.9%. This figure is higher than the 37.6% allowance rate, suggesting that interviews are a powerful tool for overcoming rejections in this docket. Top companies like Edwards Lifesciences Corporation, W. L. Gore & Associates Inc., and CONMED Corporation are frequently involved in the caseload. Firms such as BakerHostetler, Bond, Schoeneck & King, PLLC, and CAESAR RIVISE, PC can use the 1550 day median pendency and the 42.9% lift to refine their approach to securing patent rights through direct dialogue with the examiner.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

37.6%
Allow Rate
-32.4% vs TC avg
481
Total Applications
+42.9%
Interview Lift
1550
Avg Prosecution Days
Based on 458 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
26.2%
§102 Novelty
45.7%
§103 Obviousness
19.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17335682 TISSUE CAPTURING BONE ANCHOR Final Rejection Conmed Corporation
17978927 DELIVERY SYSTEMS AND DELIVERY ASSEMBLIES FOR PROSTHETIC HEART VALVES, METHODS OF MAKING AND USING THE SAME Final Rejection Edwards Lifesciences Corporation
17282907 CONSTRAINING MECHANISMS AND ASSOCIATED METHODS Final Rejection W. L. Gore & Associates, Inc.

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Frequently Asked Questions

What is examiner Elizabeth Houston's allowance rate?

37.6% of resolved applications examined by Elizabeth Houston were allowed (458 resolved cases), compared with 63.1% across Art Unit 3731 over the last five years.

Does an interview help with examiner Elizabeth Houston?

This examiner's interview lift is +42.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Elizabeth Houston take to allow a patent?

Applications allowed by Elizabeth Houston took 1,550 days on average from filing to allowance.

Which art unit does examiner Elizabeth Houston work in?

Elizabeth Houston examines applications in Art Unit 3731 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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